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Which is a function of the skeletal system? (a) support, (b) hematopoietic site, (c) storage, (d) providing levers for muscle activity, (e) all of these.
To determine:
The function of skeletal system is
Support
Hematopoietic site
Storage
Providing levers for muscle activity
All of these
Answer to Problem 1MC
Solution:
(e) All of these: The function of the skeletal system is to provide lever to the muscles. Bones are the hematopoietic sites. They store nutrients and support the body.
Explanation of Solution
Explanation/ Justification for the correct answer:
The skeletal system in humans consists of 206 bones and a network of tendons and ligaments. The main functions of this system include the movement, support, protection, formation of various blood cells as well as the storage of calcium and other nutrients in the matrix, and endocrine regulation by releasing the hormone known as osteocalcin. Thus option (e) is a correct option.
Explanation for the incorrect answer:
Option (a) is given as support is the function of skeletal system. Skeletal system performs a number of functions like support, protection, formation of various blood cells, storage of nutrients and lever to the muscles. Here, only support is mentioned as a function of skeletal system, thus this option is considered as incorrect option.
Option (b) is given as skeletal system is a hematopoietic site. Skeletal system performs a number of functions like support, protection, formation of blood cells (hematopoietic site), storage of nutrients and lever to the muscles. Here, only hematopoietic site is mentioned as a function of skeletal system, thus this is considered as incorrect option.
Option (c) is given as storage is a function of skeletal system. Skeletal system performs a number of functions like support, protection, formation of various blood cells, storage of nutrients and lever to the muscles. Here, only storage is mentioned as a function of skeletal system, thus this is considered as incorrect option.
Option (d) is given as providing levers for muscle activity is a function of skeletal system. Skeletal system performs a number of functions like support, protection, formation of various blood cells, storage of nutrients and lever to the muscles. Here, only providing levers for muscle activity is mentioned, thus this is an incorrect option.
Thus it is concluded that skeletal system perform a number of functions such as support, protection, formation of various blood cells, storage of calcium and other nutrients and also provide lever to the muscles.
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